diff --git a/op-modules/op-device/src/main/java/com/op/device/service/impl/DevicePDAServiceImpl.java b/op-modules/op-device/src/main/java/com/op/device/service/impl/DevicePDAServiceImpl.java
index 12ddffb0a..e6b1b560a 100644
--- a/op-modules/op-device/src/main/java/com/op/device/service/impl/DevicePDAServiceImpl.java
+++ b/op-modules/op-device/src/main/java/com/op/device/service/impl/DevicePDAServiceImpl.java
@@ -1124,8 +1124,14 @@ public class DevicePDAServiceImpl implements IDevicePDAService {
         if (list.getWorkStartTime() != null && equRepairWorkOrder.getWorkEndTime() != null) {
             ////2.1计算维修日期差值(开始时间为维修单创建时间)
             ZoneId zoneId = ZoneId.systemDefault();
-            LocalDateTime workStart = LocalDateTime.parse(list.getCreateTime().toString());
-            LocalDateTime workEnd = LocalDateTime.parse(equRepairWorkOrder.getWorkEndTime().toString());
+            LocalDateTime workStart = list.getCreateTime().toInstant()
+                    .atZone(zoneId)
+                    .toLocalDateTime();
+           // LocalDateTime workStart = LocalDateTime.parse(list.getCreateTime().toString());
+            LocalDateTime workEnd = equRepairWorkOrder.getWorkEndTime().toInstant()
+                    .atZone(zoneId)
+                    .toLocalDateTime();
+
 
             // 核心计算方法
             double workHour = calculateHourDifference(workStart, workEnd);